关于介词短语的使用

语法中好像是有without后面不可以接名次性物主代词的吧，比如WITHOUT HER DOING STH这样的表达就是错的

那么这个规律是不是也应用于其他介词短语呢？

比如：because of, on account of?

n's + doing 错

because of/on account of + n

Since February, the Federal Reserve has raised its short-term interest rate target five times, and because of the economy’s continued strength, analysts have been predicting for weeks that the target will be raised again in November.

1. because of the economy’s continued strength, analysts have been predicting for weeks that the target will
           
2. with the economy’s strength continuing, analysts predicted for weeks that the target
           
3. because the economy continues strong, analysts predicted for weeks that the target would
           
4. due to the economy’s continued strength, analysts have been predicting for weeks that the target
           
5. due to the fact of the economy’s continued strength, analysts predicted for weeks that the target will

这个题的答案是A吧，为什么用了名词所有格形式？